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Biological control of marine sediment stability by the mussels Mytilus edulis L. and Modiolus modiolus (L.)

Shand, Peter (1987) Biological control of marine sediment stability by the mussels Mytilus edulis L. and Modiolus modiolus (L.). PhD thesis, University of Glasgow.

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Abstract

The work reported in this thesis is divided into 3 main sections as follows. Section 1. The external morphology of byssus threads produced by Mytilus edulis and Modiolus modiolus was studied by scanning electron microscopy. Section 2. Several laboratory experiments were performed to determine how sediment with stones at different layers and of different particle size ranges affects byssus thread production. These experiments were: (i) An initial experiment to determine the rate of byssus thread production. (ii) The response of single animals and groups of animals to different particle size ranges of sediment. (iii) The response of single animals and groups of animals to experimental sediments (particle size range < 2.0cm) with stones present or not present at different depths. Section 3. Experiments were performed to determine the effects of single animals and groups of animals on sediment stability. All experiments were performed under controlled conditions in an experimental sea water flume. These experiments were: (i) the effects of single animals on sediment stability in different particle size ranges of sediment. (ii) the effects of groups of animals on sediment stability in different particle size ranges of sediment. (iii) the effects of groups of animals on sediment stability in sediment of particle size < 2.00mm, with stones present or not present at different depths.

Item Type: Thesis (PhD)
Qualification Level: Doctoral
Additional Information: Department of Zoology
Subjects: Q Science > QL Zoology
Q Science > QH Natural history
Colleges/Schools: College of Medical Veterinary and Life Sciences
Supervisor's Name: Meadows, Mr. P.S.
Date of Award: 1987
Depositing User: Elaine Ballantyne
Unique ID: glathesis:1987-2320
Copyright: Copyright of this thesis is held by the author.
Date Deposited: 07 Jan 2011
Last Modified: 05 Feb 2014 15:51
URI: http://theses.gla.ac.uk/id/eprint/2320

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